Configurable insert for a downhole plug



FIG. 1 is a perspective view of a configurable insert for a downhole plug;

FIG. 2 is a top plan view thereof;

FIG. 3 is a side plan view thereof; and,

FIG. 4 is a bottom plan view thereof.

The broken lines shown in the drawings are for illustrative purposes only and form no part of the claimed design. 

CLAIM The ornamental design for configurable insert for a downhole plug, as shown and described. 